Hydraulic motor



(No Model.)

G. W. MASON.

HYDRAULIC MOTOR.

Patented F8, 1888.

Ml/ Kim Warren terns GEORGE W. MASON, OF SHARON, PENNSYLVANIA.

HYDRAULIC MGTQR.

' SPECIFICATION forming part of Letters Patent No. 378,701, datedFebruary 28, 1888.

Application filed June 23,1887. Serial No. 242,248. (No model.)

I kind adapted for driving light machinery, such as smallprinting-presses, sewing-machines, and the like, for which purposes itis intended to be connected with the house-pipes of an ordinarywater-supply under pressure.

The object of the invention is, first, to provide a more perfect meansof supplying water.

to the wheel, so as to avoid waste and insure the utilization of theentire stream of water so supplied, and, further, to provide a wheelitself of simple construction, which, in connection with the supplyingdevices, shall form a cheap and efficient motor for the purposes setforth.

The apparatus may be generally described as a wheel, the axle of whichis extended to form a power-shaft, which is provided with peripheralbuckets, and is inclosed in a watertight case, in connection with aclose-fitting but adjustable shoe and a chute for supplying water to thebuckets at the point of contact between said shoe and the periphery ofthe wheel.

The invention is, however, fully hereinafter described and claimed indetail, and is illustrated in the accompanying drawings, in which thesame letters refer to the same parts throughout, and wherein- Figure lis a longitudinal section through the wheel and case. Fig. 2 is a sideelevation. Fig. 3 is a transverse section. Fig. at is a perspective viewof the shoe and its supportingirame. Fig. 5 is an enlarged section ofthe rim of the wheel.

A represents a sheet-metal case, having a base, a, by which it is boltedto some suitable support, such as a floor or a cellar beam, or otherpoint in proximity to the water-pipe which affords the supply of water.The case A has a circular upper portion, A, and is provided upon eachside, Fig. 3, with boxes to a,

bolted to it, in which boxes revolves the waterwheel shaft B, which isextended to give space for the power-pulley B, which is keyed to it. Themotor-wheel Gisfixed to theshaft B within the circular portion of thecasing. It is composed of a light central hub, spokes, and a truecircular rim, all constructed of cast-iron or steel, as may bepreferred. The rim of the wheel is formed, as shown in Fig. 5, with edgeflanges, c 0, within which are offsets c a, forming a central channel,0", in which are placed the transverse inclined buckets D. These bucketsare placed at an angle of about fortyfive degrees to a radius of thewheel, as shown in Fig. 1, and, in proportion to the size of the wheel,are very diminutive. I prefer to construct the rim and buckets as shown;but the buckets may be made to extend out so as to be flush with theflanges c c.

The stream of water to actuate the wheel is delivered thereto by anozzle or chute, E, connected with a supply-pipe and opening into aninclined tapering passage in a shoe, F, Figs. 1 and 4-. The purpose ofthis shoe is to direct the stream and to confine the water so thatitsfull force may be brought to bear upon the wheel at one point. The uppersurface of the shoe is curved to fit the wheel, while, as shown in thecross-sectional view, Fig. 5, it is provided with a central projectionor rib, f, so that it fits accurately the side flanges and offsets ofthe rim of the wheel. If carefully fitted, a practically water-tight joint may be made at this point, so that the force of the water isbrought directly upon the buckets at one point on the periphery. Theshoe may, however, be adjusted relatively to the wheel by the meansshown in Figs. 1 and 4, where said shoe forms a part of or is attachedto a vertically'sliding beam, G, mounted in a frame, H. This frame issecured within the case by bolts Fig. 2, and supports a center piece, h,having a vertically-movable screw, h.

The beam G has an extension, G, at each end, which fits between the sidepieces, h 7L3, of the frame H, and are thus free to move up and downwithoutanylongitudinal movement. At each end of beam G, and situatedbetween the extensions G and the frame H, is a coiled spring, I, whichallows the beam to yield ICO slightly in case of an obstruction passinginto I the Wheel. By means of the head or fixed nut h on the lower endof screw h, the screw may be caused to force the beam and shoe up, andthus cause a closer contact between the shoe and wheel; or it may allowthe beam to be lowered slightly in case a looser fit is desired. Therelative positions of the shoe and wheel may always be accurately adjusted by means of this screw.

The case is provided at its lower portion with an opening to permitaccess to the interior, which may be closed by the hinged door J. (Shownin Fig. 3.)

While this apparatus is particularly intended for driving lightmachinery, as before stated, its size may be proportionately increased,so asto obtain sufficient power for all purposes for which hydraulicmotors may be used, and it should also be stated that steam may beemployed as the motive power instead of water.

I do not limit myself to the exact shape of the buckets shown andheretofore described,

nor to any exact proportions for such buckets. They may be curved or setat different angles and in other ways vary without departing from theprinciple of the invention.

The waste water escapes from the casing and wheel through the chamber Kand a suitable escape-pipe.

Having thus described my invention, I claim- In a water-motor, thecombination of a casing, A, a water-wheel within said casing, a framebelow said water-wheel, a sliding shoe carried by said frame, an adjusting-screw for regulating the position of said shoe, and springs Iinterposed between said shoe and frame, substantially as described.

In testimony whereof I have affixed my nature in presence of twowitnesses.

GEORGE W. MASON.

Witnesses:

ABNER APPLEGATE, HENRY E. STEPHENS.

sig- 4c

